Linux System Logging Structure
The /var/log directory contains log files created by various system utilities and applications. These files are critical for system monitoring, debugging, and security auditing.
Logs related to system services and daemons:
Logs related to user authentication and authorization:
Logs from specific applications and services:
Logs related to system security:
Logs related to the Linux kernel and hardware:
Other important log files:
Regularly monitor and rotate log files to prevent them from consuming too much disk space. Use tools like logrotate for automatic log rotation and journalctl for accessing systemd journal logs.